(function (w) {
    var  test = "test";
    w.damu = {};

    function a() {
        console.log("damu-a")
    }

    function b() {
        console.log("damu-b")
    }

    function c() {
        console.log("damu-c")
    }

    w.damu.a =a;
    w.damu.b =b;
    w.damu.c =c;
})(window)

